\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Cross-Candidate Communication, Affective Polarization (Traits) and In-Party Candidate Support\label{tab:ccXaptmvc}}
\begin{tabular}{l*{3}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   \\
                &In-Group Affect   &Out-Group Affect   &Difference   \\
                &      b/p   &      b/p   &      b/p   \\
\hline
Candidate Support&            &            &            \\
RCV Comp.       &   -0.353   &    0.447   &    0.074   \\
                &  (0.662)   &  (0.708)   &  (0.741)   \\
RCV Comp. + Endorse&   -1.796*  &    0.085   &   -0.830***\\
                &  (0.012)   &  (0.937)   &  (0.000)   \\
Out Traits      &    1.433   &            &            \\
                &  (0.223)   &            &            \\
RCV Comp. x Out Traits&    0.768   &            &            \\
                &  (0.650)   &            &            \\
RCV Comp. + Endorse x Out Traits&    1.585   &            &            \\
                &  (0.283)   &            &            \\
In Traits       &            &    2.096   &            \\
                &            &  (0.142)   &            \\
RCV Comp. x In Traits&            &   -0.821   &            \\
                &            &  (0.697)   &            \\
RCV Comp. + Endorse x In Traits&            &   -2.028   &            \\
                &            &  (0.279)   &            \\
Diff. Traits    &            &            &   -0.085   \\
                &            &            &  (0.931)   \\
RCV Comp. x Diff. Traits&            &            &   -0.889   \\
                &            &            &  (0.521)   \\
RCV Comp. + Endorse x Diff. Traits&            &            &   -2.257   \\
                &            &            &  (0.072)   \\
Constant        &    1.237*  &    0.741   &    1.933***\\
                &  (0.031)   &  (0.360)   &  (0.000)   \\
\hline
Psuedo R$^2$    &     0.05   &     0.04   &     0.05   \\
\textit{N}      &     1691   &     1691   &     1691   \\
\hline\hline
\end{tabular}
\end{table}
